Smooth fabrics like socks that keep best wear-feeling even in water.Closed way:sleeveOutsole material:wear- resistant anti- slip rubberInsole material: PU foamInsole function: shock absorber insoleHelp surface material: polyester spandex stretch fabricFunction:Non- slip shock absorption,wear-resistant,breathable,balanced,waterproof,light,warmApplicable people: both men and womenshoe size:22/23,23/24,24/25,25/26,26/27,27/28,28/29,30/31,31/32,32/33,34/35Product function: can be used for beach,snorkeling,river,surfing,indoor,etc.Product advantages: lighter than shoes, better protection than socks,cost- effective outdoor equipmentTPR sole honeycomb design can make the shoes have better grip performance, outstanding anti- slip effect, new TPR material, and light color.Quick- drying stretch fabric,skin- friendly and breathable material, breathable and absorbent, comfortable and not stuffy.The heel package design adds a piece of skin to the ergonomic heel to increase the sense of wrapping.VARIOUS SIZE AVAILABLE -- fit different feet,little kids, big kids,men,women are available.